﻿/* 
 * @autor: hectorea
 * @date: 03/08/12
 * @project: ReversingWords
 * @reference: 
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Substring
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = "Stackoverflow";

            bool result = input.IsSubString("flow");

            Console.WriteLine("{0}", result ? "Yes" : "No");

            Console.ReadLine();
        }
    }
}
